Python堡垒机

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# import paramiko
# msg = """
#              (≧▽≦)/欢迎来到地表最强跳板机(≧▽≦)/
# """
# print(msg)
# # 建立一个sshclient对象
# ssh = paramiko.SSHClient()
# # 允许将信任的主机自动加入到host_allow 列表，此方法必须放在connect方法的前面
# ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# # 调用connect方法连接服务器
# ssh.connect(hostname='192.168.92.172',port=22,username='yinqiuliang',password='123.com')
# # 执行命令
#
# while True:
#     input_chose = input("请输入对服务器的操作命令：")
#     stdin, stdout, stderr = ssh.exec_command(input_chose)
# # 结果放到stdout中，如果有错误将放到stderr中
#     print(stdout.read().decode())
#
# ssh.close()
import paramiko
msg = """
             (≧▽≦)/欢迎来到地表最强跳板机(≧▽≦)/
"""
print(msg)
# t = paramiko.Transport(("192.168.92.172","22"))
# t.connect(username="yinqiuliang",password="123.com")
#ssh = paramiko.SSHClient()
# ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# ssh.connect("192.168.92.172",22,"yinqiuliang", "123.com")
# stdin, stdout, stderr = ssh.exec_command("df -h")
# print(stdout.read().decode())
# ssh.close()
# class server(host):
#     def __delattr__(self, host,user,pwd):
#         self.host = host
#         self.user = user
#         self.pwd =  pwd

def server(host,Port,user,pwd):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(host, Port, user, pwd,timeout=30)
    while True:
        res_choise = input("请输入对服务器的操作命令:")
        #print(res)
        if res_choise == 'exit':
            exit()
        elif len(res_choise) == 0:
            continue

        #stdin, stdout, stderr = ssh.exec_command(res_choise)
        stdin, stdout, stderr = ssh.exec_command(res_choise)
        res, err = stdout.read(),stderr.read()
        resuilt = res if res else err
        print("[%s]".center(50,"-") %host)
        print(resuilt.decode())
        #print(stdout.read().decode())
        # print(stdin.read().decode())
        # print(stderr.read().decode())
        ssh.close()
# def command():
#     res = input("请输入对服务器的操作命令:")
#     #print(res)
#     return res

if __name__ == '__main__':
    #command('df -h')
    server("192.168.92.172",22,"yinqiuliang","123.com")